28251480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12391}}^1$

素因数の和:12424

約数の個数: 64

約数和(自身を含む): 89222400

約数和(自身を除く): 60970920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 12391, 24782, 37173, 49564, 61955, 74346, 99128, 123910, 148692, 185865, 235429, 247820, 297384, 371730, 470858, 495640, 706287, 743460, 941716, 1177145, 1412574, 1486920, 1883432, 2354290, 2825148, 3531435, 4708580, 5650296, 7062870, 9417160, 14125740, 28251480]

約数ペア:

[(1, 28251480), (2, 14125740), (3, 9417160), (4, 7062870), (5, 5650296), (6, 4708580), (8, 3531435), (10, 2825148), (12, 2354290), (15, 1883432), (19, 1486920), (20, 1412574), (24, 1177145), (30, 941716), (38, 743460), (40, 706287), (57, 495640), (60, 470858), (76, 371730), (95, 297384), (114, 247820), (120, 235429), (152, 185865), (190, 148692), (228, 123910), (285, 99128), (380, 74346), (456, 61955), (570, 49564), (760, 37173), (1140, 24782), (2280, 12391)]